One-Component Butyl Hot Melt Sealant Manufacturers, Suppliers

Product Description

The One-Component Butyl Hot Melt Sealant is a ready-to-use, non-curing sealing material that provides excellent adhesion and long-lasting sealing performance in various construction, automotive, and industrial applications. Formulated from high-grade butyl rubber and tackifying resins, this hot melt sealant is designed to be applied in molten form and quickly sets upon cooling to form a flexible, airtight, and waterproof bond.

Its one-component formulation simplifies application, requiring no mixing or curing agents—just heat and apply. The product adheres strongly to metal, glass, concrete, plastic, and wood, offering outstanding durability in harsh environmental conditions. It is especially useful in applications requiring long-term flexibility, weather resistance, and ease of handling.

Key Features

Single-Component Design: No mixing or pre-treatment required—simplifies usage and reduces waste.

Fast Application & Setup: Hot-applied and cools quickly for efficient processing and faster workflows.

Superior Flexibility: Non-curing and elastic; accommodates joint movement without cracking or shrinking.

Strong Adhesion: Bonds well with a wide range of substrates including metal, glass, PVC, concrete, and composites.

Excellent Air & Water Sealing: Prevents the infiltration of air, moisture, dust, and gas.

Weather & UV Resistant: Maintains performance under prolonged sunlight, rain, and temperature extremes.

Environmentally Safe: Low-VOC, solvent-free, and non-toxic—safe for indoor and enclosed environments.

Typical Applications

Construction Joints: Used for sealing expansion joints, curtain wall systems, window and door frames.

Automotive Assembly: Ideal for windshields, light housings, and structural panel seams.

Glass and Aluminum Systems: Offers superior edge-sealing and bonding for insulated glass and facade systems.

HVAC Ductwork: Seals connections and joints in ducting systems to prevent leaks.

Appliance and Electronics Assembly: Used to seal enclosures and joints in appliances or control panels.

Prefab and Modular Units: Seals gaps in factory-built walls, ceilings, and partitions efficiently.

Technical Specifications

Property Value

Appearance Black / Gray / White / Custom

Application Temperature 150°C – 180°C

Operating Temperature Range -40°C to +90°C

Softening Point ≥100°C

Peel Adhesion (Aluminum) ≥1.5 N/mm

Elongation at Break ≥300%

UV Resistance Excellent

VOC Content <10 g/L

Shelf Life 12 months (stored below 35°C)

Storage & Handling

Store the sealant in a dry, well-ventilated area away from direct sunlight and heat. Avoid high humidity. For best performance, use hot-melt applicators with temperature control. Always follow the recommended operating temperature range for consistent results.

Deliver,Shipping And Serving

1. Online testing

Online testing will be carried out before the finished product is packaged, and the finished product will be packaged only after it meets the relevant requirements.

2. Quality control supervision.

Quality control will be carried out again before the finished product packaging is put into storage and enters the market.

3. Application testing

Carry out full product testing, from the user's perspective, restore the product application scenario, and test its application.

4. Technical service

Application technical service provides high-quality technical services. After the product enters the market, after-sales technical service will continue to track the product usage and provide high-quality after-sales service.

One-Component Butyl Hot Melt Sealant

FAQ (Frequently Asked Questions)

Q1: What does “one-component” mean in this sealant?

A1: It means the sealant is ready to use out of the package—no need to mix with other chemicals or curing agents. Just heat and apply.

Q2: Can I use this sealant without professional equipment?

A2: While it is best applied with industrial hot-melt guns or automated systems, smaller-scale hot melt applicators can also be used for low-volume needs.

Q3: Is it suitable for both indoor and outdoor use?

A3: Yes. The sealant is UV-resistant and weatherproof, making it suitable for a wide range of indoor and outdoor applications.

Q4: How quickly does the sealant set after application?

A4: It sets within minutes after cooling to ambient temperature, forming a solid, flexible seal that’s ready for service.

Q5: Does it harden over time?

A5: No. It remains soft and pliable, maintaining its sealing ability even after years of use in demanding environments.

Q6: Is it compatible with painted or coated surfaces?

A6: Generally yes, but it is always advisable to test on a small area first, especially with specialty coatings or finishes.

Q7: How do I remove excess material after application?

A7: When warm, the sealant can be wiped clean with a cloth. Once cooled, it can be peeled away or removed with a plastic scraper or mild solvent.

Company Profile

Chengxin (Henan) Sealing New Material Tech Co., Ltd. is a Chinese manufacturer and supplier of insulating glass sealing materials. We have been professionally focusing on the sealing material industry for many years. With excellent product quality and a complete market service guarantee system, the company has formed a wide sales network in China. In the international market, "Chengxin" brand series products have been exported to Western Europe, America, the Middle East, Africa, Southeast Asia and other countries and regions. We look forward to becoming your long-term partner.